It reminds me so much of....
Well, you should know what I'm about to say. Obviously it reminds me of the original, but you added your own style to it. This is what a true cover should accomplish: First, rope people into the music by sounding familiar, yet mysterious; second part is to pour all of your heart and soul into something that, while it didn't start as yours in the beginning, you made it into your own piece. I love this, and I think this is quite possibly THE best cover of any Metroid theme I've ever heard.
I know it's been awhile since anyone wrote a review on this, but I felt I had to make myself heard. It's just that great a track!